STRIKE AND RETURN 460 Posted July 26, 2017 Share Posted July 26, 2017 For sale a NOS GMC Hydrovac. This fits the very early GMC that have the master cylinder on the outside of the chassis rail. It is a air booster and does not have the brake fluid going through it. I believe it was also fitted to other vehicles ie Chevy. Can be taken down to W&P. Open to offers Link to comment Share on other sites More sharing options...
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